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System Extension Permit 02530-1 JANUARY 2007

STANDARD SPECIFICATION

SECTION 02530

SANITARY SEWAGE SYSTEM

PART 1 GENERAL

1.1 DESCRIPTION

A. Section Includes: Requirements to construct and test sanitary sewage system complete in

place.

1.2 REQUIREMENTS FOR MANUFACTURERS AND SUPPLIERS BEFORE DELIVERY

A. Test materials as set forth in applicable referenced specifications and as required herein.

B. Inspect and Test Materials: Follow Section 01450 and as specified herein.

1. Notify Commission 14 days before manufacture of pipe and fittings.

2. Pipe manufacturer:

a. Furnish materials to be tested.

b. Furnish labor to assist Commission with inspections and tests.

C. Manufacturer or supplier of reinforced concrete pipe (RCP) and structures: Store

completed sections off ground using wood blocks, pallets, or other appropriate means.

1. Place with ample space between rows and individual pieces, and enough clearance

above and below stored sections to allow full view of walls and joint ends for

inspection purposes.

2. Batching plant, casting equipment, and curing facilities: Complete, operating

properly and of proper size and range.

3. Show records of continual maintenance and quality control over casting forms and

joint forming rings.

D. Readiness for Inspection.

1. Pipe will be ready to inspect when it meets requirements of specified tests.

2. Pipe manufacturer or supplier: Before inspection of pipe for Contractor's order is

scheduled furnish Commission with:

a. The Commission’s project number and Contractor's name.

b. Pipe diameters, design, and classes.

c. Footage of pipe included in order.

d. Adequate quantities of pipe of required diameters, design, and classes.

E. Requirements for Cold-weather Conditions for Precast Materials Inspection and Testing

of Precast Concrete Manholes: See Section 03400.

F. Plant or Site Inspected Materials Markings: See Section 01450.


1.3 SUBMITTALS

A. Submit following Section 01330.

1. Shop Drawings for RCP, showing strength, details of special fittings, and reinforcing

with joint and gasket dimensions.

2. Lay schedules for RCP.

3. Results of source quality control tests performed on RCP and profile PVC pipe at

point of manufacture.

4. Method for maintaining sewage flows.

5. Shop drawings, manufacturer's installation recommendations, and operation and

maintenance manuals for slide gates and operators.

6. Waiver for concrete pipe, manholes and select precast concrete structures: Submit

letter naming manufacturer furnishing items, and who has on file with Commission a

certified standard submittal package containing required Commission approved

information.

a. Furnish new submittals if standard details or specifications change.

7. Manufacturer’s literature and installation guidelines for profile PVC pipe.

8. Coating manufacturer’s catalog data for coating material used to line inside of ductile

iron pipe (DIP), including surface preparation, application procedures, curing, and

handling of lined pipe.

B. Submit following Section 01450 before delivery of materials.

1. RCP.

a. Certificates of Compliance or Materials Checklist Furnished by the

Commission:

1) Include Commission Project Number, job location, and Contractor's name,

types, classes, and strengths of pipe, and pipe manufacturer's name.

2) Concrete and masonry materials: See Sections 03300, 03400 and 04200.

b. Certified Test Reports:

1) Aggregates.

2) Cement.

3) Admixtures.

4) Steel reinforcement.

5) Materials: Follow national standards specifying pipe and fittings.

6) Submit reports before start of production and every 30 days after

production is ongoing.

C. Packing list, invoice, or delivery ticket with every shipment, to contain the Commission

project number, type and class of pipe, length, and other pertinent information.

D. Installation and Repair Recommendations.

1. Submit manufacturer's recommended installation and repair methods and procedures

for pipe and structures for approval before material fabrication.


2. Submit manufacturer’s recommended installation procedures for PVC lined or HDPE

lined precast concrete manholes.

3. Submit recommended repair methods and procedures for defects and damage to

RCP, structures and lined manholes from manufacturer furnishing product.

a. Repairs: Performed by manufacturer using specifically trained personnel, only in

presence of, and after approval of Contract Manager.

b. Lined manhole repair: Repair personnel certified by lining manufacturer.

4. Waiver: When manufacturer has approved installation and repair methods on file

with Commission.

a. Furnish new submittals if specifications change.

5. Submit coating repair methods and procedures to be used at Project site for lined

pipe.

a. Inspection and repairs: Follow coating manufacturer’s recommendations.

E. Concrete Design Mixes: See Sections 03300 and 03400.

F. For more specific handling of different kinds of pipe, see Installation herein.

G. Service Extension Permit: Closed Circuit Television (CCTV) color VHS tape or CD-

ROM and inspection report specified under Field Testing.

PART 2 PRODUCTS

2.1 MATERIALS

A. Pipe and Fittings.

1. General:

a. Pipe between structures or between structure and terminus: Same size and

material and by same manufacturer.

b. Each pipe and fitting: Mark with manufacturer's name or trademark,

specification designation, pipe class and strength, production shift code, and

manufacture date and location.

2. Gravity Sewer:

a. PVC Pipe and Fittings (See Section 02510 for AWWA C900 and C905 PVC

Pipe and Fittings).

1) Standards

a) PVC pipe and fittings 4-inch and 6-inch diameter: ASTM D3034, wall

thickness classification SDR 35 or SDR 26.

b) PVC pipe and fittings 8-inch through 15-inch diameter: ASTM D3034,

wall thickness classification SDR 35.

c) PVC pipe and fittings 18-inch through 27-inch diameter: ASTM F679,

wall thickness T-1.

d) Closed profile PVC pipe 21-inch through 48-inch diameter: ASTM

F1803.


(1) Manufacturer: Designate and mark pipe manufactured to connect

to manholes as "Manhole Pipe".

(2) Exterior seam: Factory smoothed.

e) Open profile PVC pipe18-inch through 30-inch diameter: ASTM F794.

(1) Manufacturer: Furnish suitable smooth manhole adapters, ASTM

F679, minimum wall thickness T-1, SDR 35.

2) Length: Not less than 12 feet.

3) Joints and fittings: Integral bell gasketed joint is designed so when

assembled elastomeric gasket inside bell is compressed radially on pipe

spigot it forms a watertight joint.

a) Gasket: ASTM F477.

4) Legible markings: ASTM D3034, ASTM F679, ASTM F794, or ASTM

F1803 and with date and location of manufacture.

a) Pipe and fittings not marked as specified herein will be rejected.

b) Pipe and fittings manufactured more than 1 year before date of work

site inspection will not be accepted.

5) Approved pipe manufacturers:

a) Charlotte Pipe and Foundry Co., 4 inch through 15 inch.

b) CONTECH Construction Products, open profile, 18 inch through 36

inch.

c) Diamond Plastics Corporation, 4 inch through 27 inch, closed profile,

30 inch through 48 inch.

d) JM Manufacturing Co., Inc., 4 inch through 15 inch.

e) IPEX, Inc., 4 inch through 27 inch, Ultra Rib open pipe, 18 inch

through 24 inch.

f) Lamson Vylon Pipe, closed profile, 21 inch through 48 inch.

g) National Pipe and Plastics, Inc., 4 inch through 24 inch.

h) North American Pipe Co., 4 inch through 24 inch.

i) PW Eagle, 4 inch through 15 inch, open profile, 18 inch through 30

inch.

6) Approved fittings manufacturers:

a) GPK Products, Inc.

b) JM Manufacturing Co., Inc.

c) Multifittings, Ltd./Ipex, Inc.

d) The Harrington Corporation.

e) Vassallo Industries.

f) Colonial Engineering, Inc.

g) Plastic Trends, Inc.

h) Freedom Plastics, Inc.

b. DIP and fittings: Follow Section 02510 and specified herein.

1) Factory Coated Interior pipe liner.

a) Materials for Lining Pipe.

(1) Prepare pipe surfaces and apply coating following coating

manufacturer’s recommendations. Approved applicators:

(a) Baumann Coatings, Inc.

(b) Acme Industrial Coatings.


(c) Bredero Shaw Company.

b) Interior Lining Materials.

(1) Minimum 40.0 mils dry film thickness (DFT) with:

(a) Protecto 401 Ceramic Epoxy.

(b) Corropipe II WasteLiner.

(c) Or equal.

(2) Amine-cured novolac epoxy containing ceramic quartz pigment as

supplied by:

(a) Induron Protective Coatings.

(b) Or equal.

(3) Liquid-applied polyurethane as supplied by:

(a) Madison Chemical Industries Inc.

(b) Or equal.

c. RCP: Unless shown otherwise on Drawings, do not use RCP in 30 inch diameter

and smaller sizes.

1) Standards: ASTM C76, Class following Drawings.

a) Concrete used in production of pipe and fittings: 28-day minimum

compressive strength following ASTM C76.

b) Cement: ASTM C150 with no additives and blends added without

prior approval of Contract Manager. Other exceptions are as modified

herein.

c) Pipe:

(1) Accepted, if each length of pipe passes hydrostatic test required

herein before delivery to Project site.

(2) Not accepted from manufacturer's stock, except Contract Manager

may accept from manufacturer's stock a maximum of 10 pieces of

pipe, meeting requirements herein.

d) Shorts, Fittings, and Beveled Pipe: Hydrostatic tests not required.

e) Pipe and Fitting: Free of coatings.

2) Ends of pipe and fittings: Circumferential reinforcing steel equivalent in

area to single reinforcing cage used in barrel of pipe or fittings.

a) Extend longitudinal steel to hold circumferential steel in place to

within 1 inch of face of ends.

3) Lengths and types:

a) Length: Minimum 8-foot lengths, with rubber gasket joints meeting

requirements of ASTM C443. Lifting holes will not be permitted.

b) Bevel pipe: Provide when specified or when required to open pipe joint

more than permitted herein.

c) Non-float concrete pipe: Meet requirements specified above and

following:

(1) Outside diameter shall be increased so that pipe contains sufficient

concrete to resist floatation with pipe empty and uncovered.

d) Increased thickness: Homogeneous or heterogeneous, of same concrete

strength as pipe, and reinforced to prevent shrinkage and temperature

cracks.

e) Joints: Interchangeable with those of adjoining sewer pipe.


4) Approved manufacturers:

a) Hanson Concrete Products.

b) Rinker Materials, Hydro Conduit Division.

3. Forcemains.

a. DIP and Fittings: Follow Section 02510 and specified herein.

1) Unless otherwise noted on Drawings, factory coat interior of DIP force

main 100' from transition manhole. For coating requirements see DIP

under Gravity Sewer specified herein.

b. PVC AWWA C900: See Section 02510 for 12" and smaller pipe.

B. Connection Appurtenances.

1. Connections 8” and larger will be made by way of Manhole built over existing sewer

following Standard Details.

2. Saddles: For connecting sewer house connections to existing main line.

a. PVC Main: Follow manufacturer’s recommendations.

b. Approved saddle manufacturers for connecting to asbestos cement, vitrified

clay, concrete, cast iron, or ductile iron sewer pipe with outside diameter:

1) The General Engineering Company, SEALTITE Type "S" saddle with

FERNCO adapter, following GENECO Drawing R-3450-D,

2) Romac Industries, Inc., "CB" style saddles.

3) FERNCO, EZ Tap

4) Or equal.

c. Approved wye manufacturer for making wye connection to asbestos cement,

vitrified clay, concrete, cast iron, or ductile iron sewer pipe with outside

diameter 36-inch and smaller:

1) The General Engineering Company, SEALTITE Type "E" saddle with

FERNCO adapter following GENECO Drawing R-3413-D1, View 1.

2) Or equal.

3. Thimbles: Use where conditions preclude use of a tee or saddle when connecting to

existing sewer pipe.

a. Approved manufacturers:

1) Inserta Tee.

2) Or equal.

4. Coupling/Adapters: For connections between different types of pipe and point

repairs:

a. Approved manufacturers:

1) FERNCO Joint Sealer Co. with shear ring.

2) DFW by NDS non-shear.

3) Or equal.

5. Flexible Gasket Connectors:

a. For connecting pipes to sewer manholes, see Section 03400.

b. Transition Gasket to connect DIP to PVC Pipe.

1) Approved manufacturers:

a) Harrington Corporation.

b) Romac Industries.

c) Or equal.


6. Stoppers for non-pressure pipe.

a. Open ends of pipe, branches and connections: Close with pre-molded gasket

joint stopper meeting requirements for pipe used.

b. Watertight mechanical plug for placement on interior of pipe.

7. Connections to Forcemains

a. Flexible gasket connectors for connecting forcemain to precast manholes: See

Section 03400.

b. Connections to new forcemains constructed under same project: Use fittings

indicated on Drawings.

c. 2-inch diameter and smaller connections: Use tapped service tee fittings.

d. Connections to existing forcemain: Sleeve in appropriate fitting or use

appropriate saddles or sleeves as specified herein.

e. Saddles with clamps: See Section 02510.

f. Tapping sleeves: Used for 3-inch diameter and larger connections to existing

forcemain.

1) Full sleeve mechanical joint type capable of containing pressure within full

volume of sleeve.

2) Rated for minimum 150 psi water operating pressure.

3) Capable of withstanding rated operating pressure without leakage past side

and end gaskets and junction of the two.

4) Castings: Clean and sound without defects that will impair their service.

5) No plugging or welding of defects permitted.

6) Flanged outlet: ANSI B 16.1, Class 125.

7) Provided with a tap and test plug.

8) Other tapping sleeve requirements: See Section 02510.

g. Tapping valves: Use with tapping sleeves having flanged inlets compatible with

outlet flange of tapping sleeve.

1) Mechanical joint outlet.

2) Other tapping valve requirements: See specifications for gate valves in

Section 02510.

C. Miscellaneous Materials.

1. Cast-in-Place Concrete: See Section 03300.

2. Pipe Embedment Material: For pipe and structures see Section 02315.

3. Precast Concrete Manholes: See Section 03400.

4. Castings, Miscellaneous Metal Connectors, and Appurtenances: See Section 05500

and follow Standard Details and Drawings.

5. Lamphole Style Cast Iron Cover Assembly: Consists of lid and cast iron top section

of a valve box.

a. Approved manufacturers for 4 inch Cleanout:

1) Bingham & Taylor, Figure 8250.

2) Or equal.

b. Approved manufacturers for 6 inch Cleanout:

1) East Jordan Iron Works, Inc., Catalog No. 1565.

2) Or equal.

6. Masonry Work: See Section 04200.


7. Mortar Bonding Admixture: For addition to mortar for installation of precast

concrete grade ring adjustment.

a. Approved manufacturers and admixtures:

1) Euclid Chemical Co., Flex-con.

2) Parchem Construction Products, Nitobond Acrylic.

3) Thoro System Products, Inc., Acryl-60.

8. Curing Compound: ASTM C 309, Type 2, Class B white pigmented resin based for

use with parging and precast grade rings.

9. Manhole Steps.

a. Concrete structures: ASTM C 478.

1) Minimum 1/2 inch diameter steel reinforcing bar: ASTM A 615.

2) Grade 60 or deformed wire: ASTM A 496.

3) Encase in polypropylene: ASTM D 4101.

b. Masonry structures:

1) Meet above requirements for concrete structures.

2) Manufacturer's standard specially designed for brick or block walls.

10. Geotextile, Type A: See Section 02070.

11. Asphalt-Based Waterproof Coating on Brick Transition on Manholes:

a. Approved manufacturers and coatings:

1) Lasting Paints, Stix-tite Roof and Foundation Coating MA-241 or

FMA-241.

2) Seaboard Asphalt Products Company (153), Clippership heavy duty

fibrated roof coating LN-13S.

3) Or equal.

12. Quick-Setting Non-Shrink Grout: See Section 03300.

13. Flexible Gasket Between Manhole and Manhole Frame: Extruded rope type B,

following AASHTO M198 butyl based, 3/4-inch diameter minimum.

a. Approved manufacturers and models:

1) Hamilton Kent Manufacturing Co., Kent Seal II.

2) ADCO Products, Flex-lok.

3) Press-Seal Gasket Corporation, E-Z Stik.

4) Concrete Sealants, Inc., CS-302.

14. Manhole Frames and Covers.

a. Castings:

1) From iron melted by any process and following ASTM A48, Class 35

minimum.

2) Cleaned by sandblasting or other approved process.

b. Design and dimensions: Follow Procurement and Manufacturing (P&M)

numbered details.

1) 30 inch P&M/10.1.

2) 22 inch P&M/10.0 & 10.7.

3) 36 inch P&M/10.2.

c. Drilling and tapping of boltholes: Done in manner so frames and covers of any

manufacturer are interchangeable with those of another manufacturer.

d. Frames and covers: Do not paint or coat.

e. Approved Manufacturers:


1) East Jordan Iron Works (Acceptable 22 inch alternate: EJIW Drawing No.

2060ZVH frame and 2065AVHPT cover, Drawing No. 206001).

2) Neenah Foundry (Acceptable 22 inch alternate: Neenah frame and platen

lid bolted, watertight manhole, Drawing No. NF-0785 015C).

3) Capital Foundry (22", 30”, and 36”; Approved Plant: NIF Iron and Steel,

Calcutta, India).

4) Chesapeake Foundry Inc. (22" only; Approved Plant: Cresmac Foundry,

Kolkata, India).

15. Mastic and Mortar for Filling Pipe Joints.

a. Mastic: Elastic water resistant formulation of plastic bituminous materials and

inert fillers.

1) When applied to a vertical metal surface and heated to 120 degrees F

jointing mastic will neither slump nor lose plasticity.

2) When applied directly from container without further fixing jointing mastic

can be applied in an even, adherent coat within temperature range of 20 to

100 degrees F.

b. Mortar: One part Type II cement and 3 parts of mortar sand following ASTM

C144.

16. Slide Gates.

a. Aluminum plate slide gates:

1) Structurally reinforced members to limit deflection of slide under full head

conditions to less than 1/260 of gate span.

2) Self-contained, rising stem gates with guides designed to mount on face of

concrete.

3) Resilient seal mounted on lower edge or securely attached to frame along

invert.

a) Flush bottom closure with effective seal on structural angle or channel.

4) Aluminum guides with resilient bearing strip inserts on surfaces in contact

with gate.

5) Stainless steel stems and fasteners.

6) Approved manufacturer:

a) Rodney Hunt Company, Series 761.

b) Or equal.

b. Crank-operated floor stand operators:

1) Weatherproof housing with solid bronze operating nut.

2) Equipped with roller bearings and mechanical seals around operating nut

and pinion shaft.

3) Maximum crank effort required to operate gate: Not to exceed 40 pounds.

17. Mandrel.

a. All metal parts of such stiffness that mandrel will not deform during test.

b. Seven equally spaced circumferential runners or fins.

c. Minimum length of runners in contact with pipe not less than nominal diameter

of pipe.

d. Inside pipe and outside mandrel diameters as follows:

Pipe Size In Inches Mandrel Outside Diameter In Inches


6 5.45

8 7.28

10 9.08

12 10.79

15 13.20

e. Approved manufacturers:

1) HURCO Technologies.

2) Cherne.

3) Or equal.

18. Tracer Wire PVC AWWA C900 and C905: See Section 02510.

19. Non-corrosive Expansion Plug for Lamphole Style Cleanouts: Plastic.

a. Approved manufacturers, 4 inch pipe:

1) Cherne Industries, End of Pipe Gripper Plug, Model No. 270188.

2) Real-Tite Plugs, Inc.5/16 Hex Head-Nut Driver Style.

3) Hughes Supply (Finksburg, MD) part no. 4872995.

b. Approved manufacturers, 6 inch pipe:

1) Hughes Supply (Finksburg, MD) part no. 4872996

2) Or equal.

20. Drop Bowl for Inside Drop Connections.

a. Marine grade fiberglass finished in bright white gel coat.

b. Stainless steel adjustable clamping brackets.

c. Adequate size for incoming pipe diameter.

d. Approved manufacturers:

1) RELINER by Duran Inc.

2) Or Equal.

21. Marker Post, For Locating Sewer Manhole.

a. Approved Manufacturer:

1) Carsonite Int'l., "Curv-Flex", Part No. CFUM-400.

2) Or Equal.

2.2 SOURCE QUALITY CONTROL

A. General.

1. Notify Contract Manager at least 10 working days before performance of tests

required herein.

2. Manufacturers or Suppliers: Responsible for facilities, equipment, and competent

personnel for conducting load bearing, hydrostatic, and other tests required in

applicable reference specifications.

a. Set up instruments, gages, and other testing and measuring equipment to

evaluate quality of proper range, type, and accuracy to verify conformance with

specification requirements.

b. Assure that equipment is calibrated and certified at annual intervals.

1) Calibrate against measurement standards with known relationship to

national standards.


2) Calibrate and certify gages on equipment to which they belong, and keep

them on that piece of equipment following certification.

3) Do not use instruments, gages, testing, and measuring equipment found to

be out of calibration or adjustment until applicable requirements have been

met.

4) Hire agency regularly engaged in this type of activity to perform

calibration.

B. PVC Pipe.

1. Test Standards for Gravity Pipe:

a. PVC pipe 4 inch through 15 inch diameter: ASTM D3034.

b. PVC pipe 18 inch through 27 inch diameter: ASTM F679.

c. Elastomeric gaskets: ASTM D3212.

d. Closed profile PVC pipe: ASTM F1803.

e. Open profile PVC pipe: ASTM F794.

2. Test Standards for Pressure Pipe: AWWA C900 and C905.

3. Contract Manager may request that pipe manufacturer witness source quality control

testing of PVC pipe and fittings specified herein.

C. RCP.

1. Load-bearing and Hydrostatic Tests:

a. Perform in presence of Contract Manager.

b. Complete before pipe delivery to site.

2. Test Specimens: As selected at random by Contract Manager from pipe produced for

Project.

a. Quantity:

1) Load-bearing test: At least half of 1 percent of number of pipes to be

furnished for each size and class for each project, but in no case less than 1

piece for each size and class.

2) Hydrostatic test: 100 percent of pipe.

b. Testing Sequence: Load-bearing test may be conducted with hydrostatic testing,

using pieces of pipe from same class and lot as hydrostatic test specimens.

1) If a given project has 2 or more classes of pipe of same size and joint

design, hydrostatic testing may be combined by jointing 2 pieces of pipe

with different classes.

2) If pipe furnished is from previously tested lot, required testing will be

waived provided pipe at time of offering is less than 1 year old.

3) Test pipe more than one year old unless lot offered was tested within 6

months of date of offering.

4) Definition of lot as used herein: Assemblage of 100 or fewer concrete pipe

sections, all being of like size, design, material, and strength and

designation, manufactured by same process and without interruption, during

a time period not to exceed 10 consecutive working days using same types

of materials.

3. Load-bearing Test:

a. RCP, 72 inch and smaller diameter:


1) Acceptance will be based on:

a) Plant load-bearing tests to 0.01 inch crack and to specified ultimate

load,

b) Material tests and inspection of manufactured pipe for visual defects

and imperfections,

c) Stipulations set forth in appropriate ASTM specification and modified

herein.

2) Retest of failed specimens:

a) For each specimen failing strength tests, Contract Manager will

randomly select 2 additional specimens from same lot as failed

specimen, for each specimen that failed, and will accept pipe only

when all of retest specimens meet strength requirements.

b) One pipe from previous lot will be subjected to load test, and

procedure for retest will be as stated above, including test of previous

lot.

b. RCP, 78 inch and larger diameter:

1) Acceptance: Based on compressive strength and absorption tests and

inspection of finished pipe, including amount and placement of reinforcing

steel.

c. Load-bearing test specimens will not be accepted for incorporation into Work.

4. Hydrostatic Test: ASTM C497.

a. Basis of acceptance of pipes for gravity sewers: Withstand minimum internal

hydrostatic pressure of 13 psi for 10 minutes with no leakage before delivery to

Contract site.

b. Testing conditions:

1) Soak pipes, under reduced pressure, for maximum of 24 hours before

testing.

2) Moisture appearing as patches or beads not resulting in runs on pipe walls

is not considered leakage, if pipe walls are dry upon retesting at prescribed

test pressure after elapse of not more than 24 hours.

3) Test pressure may be maintained between initial test and retest at option of

manufacturer.

4) At manufacturer's option, standpipe as specified below may be used in lieu

of water-calibrated pressure gage.

a) Standpipe:

(1) Calibrated in 1/2 foot increments with permanent markings.

(2) At a height and with adjusted overflow line developed for

specified pressure.

(3) Ensure continuous visible stream of water from overflow line

during test.

c. Fittings: Test not required.

PART 3 EXECUTION

3.1 PUBLIC NOTIFICATION


A. Work Within Public Rights-of-Way.

1. Deliver written notices to each home or business 48 hours prior to commencement of

work being conducted, including a local telephone number for inquiries or

complaints.

2. Provide owner or occupant a summary of work to be completed, and time and

duration of service interruption to building.

3. Contact any home or business that cannot be reconnected within time stated in

written notice.

4. Fax or email copies of all delivered notices to Contract Manager.

3.2 INSTALLATION OF SANITARY SEWER

A. Inspect and Test Materials: Follow Section 01450 and as specified herein.

B. Handling of Pipe and Fittings after Delivery

1. Unloading and handling

a. PVC pipe and fittings: Use proper equipment, avoiding severe impact blows,

especially during cold weather.

b. PVC pressure pipe and fittings: AWWA C605.

c. Ductile and gray iron pipe, DIP fittings, and appurtenances: Follow Section

02510.

d. RCP, manholes, and appurtenances: Use crane or backhoe of proper capacity

equipped with appropriate slings to protect material from damage.

e. Storage: Store in reasonably level area, well drained, away from brush, and in

area accessible for inspection.

1) Store individual pieces or bundles with safe walking space and clearance

between to allow full view for inspection purposes.

2) Do not place excavated or other materials over or against stored pipe.

3) Store on flat surface so barrel of pipe is evenly supported and not piled

more than 4 feet high.

4) Do not stack bundles or containers.

5) If left bundled, place bundles on a flat smooth surface with boards in

contact with ground.

6) Gasket: Store in cool place out of direct sun.

2. Inspection and Repair: Pipe will be inspected before installation.

a. Repair damage during handling and placement following Contract Manager's

direction and approved manufacturer's recommendation.

b. Remove and replace damaged pipe not repairable in opinion of Contract

Manager.

c. Closed profile PVC pipe:

1) Do not repair in field.

2) Acceptable marks: Scrapes or gouges less than 2 inches in length and less

than 1/2 total wall thickness on exterior of barrel.

3) Dispose of damaged pipe following manufacturer's recommendation.

3. Cleanliness.


a. Clean and remove foreign matter from each pipe, fitting, and appurtenance

before placing in trench.

b. Should foreign matter be observed in previously installed pipe, fitting, or

appurtenance, cease work until foreign matter is removed.

c. Close open ends of pipes and fittings with watertight cap or plug when work is

stopped.

C. Trench Excavation, Backfill, and Test Pits: Follow Section 02315.

1. Before pipe installation:

a. Dig test pits to determine size, type, and exact location of existing pipe to which

proposed pipe will connect.

b. Excavate sufficient trench in advance and test pit all existing underground

utilities/structures, whether shown on Drawings or visually identified in field,

to:

1) Verify actual locations.

2) Make reasonable changes in line and grade to resolve conflicts, at Contract

Manager’s approval.

c. Furnish Contract Manager location and elevation information when previously

unknown or different underground utilities/structures are encountered.

D. Pipe Embedment Material: Follow Standard Details and Section 02315.

1. Encasement and/or concrete cradle where indicated.

E. Pipe Placement.

1. Before pipe installation bring bedding material to grade along entire length of pipe to

be installed.

2. Excavate bell holes, for type placed, at each joint to permit proper joint assembly and

firm bedding for entire length of pipe barrel.

3. Install pipe to true uniform line and grade with continuous bearing of barrel on

bedding material.

4. Where indicated, place erosion checks or concrete anchors following Standard

Details.

a. Cure concrete anchors minimum of 2 hours before placing backfill.

5. Install pipe upgrade with bell pointing upstream. Pipe may be installed with bell

pointing downstream with Contract Manager's approval.

6. Place each section of pipe to form close concentric joint with adjoining section and

to prevent sudden offsets in flow line.

7. Place sufficient backfill on each section of pipe, as it is installed, to hold it firmly in

place.

8. Install DIP and fittings following Section 02510.

9. PVC AWWA C900 and C905 Pressure Pipe: Follow Section 02510.

F. Point Repairs: Replacement of existing sewer up to 10 feet in length to correct identified

problems with sewer main.


3.3 JOINTS

A. PVC Pipe:

1. Clean joint surfaces immediately before jointing.

2. Apply lubricant, align spigot to bell, inserting until it contacts gasket evenly all

around, then force pipe units together with proper equipment.

a. Insert spigot ends into bells to depth marked on pipe.

b. If spigot depth reference mark is missing, improperly placed, or on field-cut

pipe, mark depth reference around entire circumference of pipe before making

joint.

3. Field Cut:

a. Cut square and bevel outer edge same as factory-made spigot ends.

b. Closed profile PVC pipe: Seal exposed cells on cut ends following

manufacturer's recommendation.

c. Open profile PVC pipe: Cut 18 inch and larger pipe following manufacturer’s

recommendation.

B. DIP: See Section 02510.

C. RCP:

1. Clean RCP joint surfaces immediately before jointing and liberally coat pipe joints

with lubricant.

2. Fit bell or spigot with gasket following manufacturer's instructions.

a. Joint pipes with equipment designed for purpose.

b. Before joint is completely home, check gasket position using suitable gage.

c. If gasket is dislocated, repeat entire joining process using new gasket.

3. For pipe with steel end ring joints, after joining has been completed, completely fill

exterior joint spaces with mastic or mortar and fill interior joint spaces on pipes 36

inch and larger diameter with mastic or mortar and remove excess material from

inside of pipe.

4. Joint Opening: Maximum 1/2 inch, unless otherwise shown on Drawing.

D. PVC AWWA C900 and C905 Pressure Pipe: Follow Section 02510.

3.4 SEWER HOUSE CONNECTIONS

A. Install following Standard Details and Contract Documents.

B. House connections to DIP and/or PVC C-900 and C-905:

1. PVC SDR 26.

2. Install transition gasket to mechanical joint tee.

C. Tapping Existing Main:

1. Tap existing sewer with motor driven tapping machine utilizing diamond core bit.


3.5 CONNECTIONS TO EXISTING SEWERS AND MANHOLES

A. Install following Standard Details and Contract Documents.

B. Verify proposed connection for grade, alignment and existing pipe material to existing

sewer before installation of pipe.

C. Maintain existing sewage flows during connection to existing sewer.

1. Take precautions and employ methods required to prevent sewage backup.

2. Bypass pumping may be used as option for flow diversion.

3. Return diverted sewage to sanitary system and do not discharge on surfaces or into

streams or storm drains.

a. Use enclosed bypass flumes equivalent in size to existing sewer being diverted,

when required.

4. Immediately clean and disinfect raw sewage spills and overflows caused by

operation.

a. Immediately report sanitary sewer spills and overflows onto any surface to the

Commission Emergency Call Center at 301-206-8222.

1) No surfaces or amounts are exempt.

2) Telephone details available at that time to WSSC Customer Care Agent.

b. Provide completed Sanitary Sewer Overflow (SSO) Event Form located under

ATTACHMENTS to Engineer by end of work day.

1) Include date, start and stop times, the duration, volume, whether overflow

went into a waterway, impact, contacts, resolution, how recurrence will be

prevented, and any other information required on SSO Event Form.

2) Engineer will fax (301-206-8114) completed form to WSSC Wastewater

Collection System Group, Planning Unit within 24 hours of SSO event.

c. SSO signs.

1) Post any time there is a chance of public exposure or when SSO occurs in

close proximity to a waterway is 10,000 gallons or greater or is a threat to

human contact.

2) Available from Commission Customer Care Depots.

3) Do not remove while evidence of SSO remains.

a) Post for 2 weeks for SSO up to 100,000 gallons.

b) Post for 30 days for SSO greater than 100,000 gallons.

5. Personally notify Schools, Hospitals, Daycare Centers, Elder Care, and similar areas

of a SSO in vicinity as soon as possible.

D. Connect pipe to existing concrete manhole by core drill method.

1. Unless otherwise noted, provide flexible gasket connector following manufacturer’s

recommendation.

E. When connecting DIP or RCP to existing brick manhole: Follow Standard Details.

F. When building manhole on existing sewer: Follow Standard Details.


G. Sewer house connections: Connect to existing main line sewers specified herein and


3.6 INSTALLATION OF CASING PIPE IN OPEN CUT

A. Install casing pipe in open cut following Section 02315 and specified herein.

3.7 MANHOLES

A. General: Watertight.

B. Construction and Handling.

1. Construct manholes of precast sections, cast-in-place concrete, following Standard

Details and Drawings.

2. Precast Manholes.

a. Protect plant-accepted manhole sections from damage while in storage at plant,

in transit, and at Project site.

1) Handle with proper size equipment, using only appropriate lifting holes or

eyes.

2) Keep joint ends of sections clean and place on wood blocks, pallets, or

other appropriate material, never on ground.

b. Install manhole sections following manhole manufacturer’s written assembly

instructions and as specified herein.

1) Before assembly, inspect joint ends for defects or damage that may prevent

watertight joint.

2) Thoroughly clean joint surfaces, remove debris and foreign matter, and

keep joint surfaces clean during assembly.

3) Manhole rejected by Contract Manager will be removed and replaced.

4) Repair damaged manhole sections following manufacturer's recommended

repair methods.

3. Cast-in-place concrete manholes: See Section 03300.

a. Flexible gasket connectors: See Section 03400.

4. Lined Manholes.

a. Installation: Follow Manufacturer’s recommendations.

b. After installation of lined precast concrete manholes, visually inspect lining for

damage. Repair damaged surfaces following manufacturer’s submitted

recommendations.

C. Flow Channel/Benches.

1. Form appropriate flow channel/bench in bottoms of manholes: Follow Standard

Details.

2. Brick: Follow masonry work for manholes in Section 04200 and Standard Details.

3. Precast concrete: Follow Section 03400.

a. Fill unfinished gap in channel/bench to permit pipe installation by applying

bonding compound and non-shrink grout, finish flush with contour of


channel/bench and cure following bonding compound and grout manufacturer's

recommendations.

b. No repair or modification to channel slope, other than unfinished gap, will be

permitted.

D. Pipe to Manhole Connections.

1. Cut pipe square before installation.

a. Place so springline edges of pipe are flush with inside wall or extend a

maximum of 2-1/2 inches in accordance with manufacturer’s recommended

installation procedures.

b. Where pipe is extended into manhole, coordinate slope of pipe and slope of

notch in invert to ensure a smooth transition.

2. Fit flexible gasket connector between pipe and manhole described herein except for

following connections:

a. When pipe enters manhole at slope greater than 10 percent.

b. Where pipe enters manholes at angle.

c. Where manhole is built over existing sewer pipe, except when existing sewer

pipe is PVC.

d. When either DIP or RCP is connected to existing brick manhole.

e. Parallel connections.

3. Insert pipe following connector manufacturer's written recommendations.

a. Ensure that pipe is centered in connector, that full barrel portion of pipe is fully

inserted, and that pipe is properly bedded immediately adjacent to manhole.

b. When flexible gasket connector is not used for reasons stated herein, use quick

setting non-shrink grouted pipe to manhole connections and bentonite collar


c. Keep excavation dry and do not backfill until 2 hours have elapsed to permit

grout to cure.

4. When AWWA C900 and C905 pipe is to be grouted using solvent cement:

a. Apply solvent cement following manufacturer’s instructions to entire exterior

portion of pipe to be grouted into wall.

b. Coat softened pipe exterior with concrete sand and allow pipe exterior to harden.

c. Grout sand-coated pipe into wall.

E. Set bentonite collar at pipe to manhole connections following Standard Details, for

following situations:

1. For pipes 15 inch and larger diameter except at outside drop manholes.

2. When manhole depth is 16 feet or over, except at outside drop manholes.

3. When flexible connector is not used.

4. When a flexible connector is installed in existing manhole, except at outside drop

manholes.

F. Set manhole steps for each manhole following Standard Details and manufacturer's

recommendations.


G. Install watertight frame and cover on each manhole following Standard Details.

1. Transitions:

a. Install anchor rods in bolt inserts and align to pass through bolt holes in flange

of manhole frame.

1) When bolt slot inserts are used, align as specified herein, then fill and pack

mortar in bolt slot inserts and around anchor rods.

b. Precast Concrete Grade Ring Transition:

1) For all sizes frame and cover, see option for use of brick transition below.

2) Following Standard Details for height requirements.

3) Set precast concrete grade rings in full beds of Type M mortar minimum ¼

inch and maximum 1 ¼ inch thick.

a) From April through November, wet grade rings and top of cone section

immediately before placing mortar.

b) Mortar mix following Section 04200.

c) Point horizontal circumferential and vertical mortar joints, inside and

outside, full width, maximum 3/8 inch in depth.

(1) Fill annular space between anchor rods and bolt holes, pack with

mortar on top ring, and finish flush with ring surface.

d) After mortar has cured, place flexible gasket following Standard

Details.

e) Set frame and bolt in place and provide watertight seal.

c. Brick Transition:

1) For manholes with frame and cover 30 inch and larger diameter.

2) Following 04200 for brick and mortar.

3) Following Standard Details for height requirements.

4) Parge exterior of brick with 2 coats of mortar and extend parging below top

section of precast manhole section.

a) Each coat 1/4 to 3/8 inch thick and cure between coats.

b) Apply curing compound to each coat.

5) Place a bed of mortar maximum 1 inch thick on top of brick transition.

6) After mortar has cured, place flexible gasket following Standard Details.

7) Set frame and bolt in place and provide water tight seal.

8) Apply 2 coats of asphalt base waterproofing following Standard Details.

9) Protect waterproof coating from direct sunlight.

2. Frame and Cover Placement Without Transition: Before placing manhole frame and

cover on precast cone, install anchor rods in bolt inserts and align to pass through

bolt holes in flange of manhole frame.

a. When bolt slot inserts are used, align as stated above, then fill and pack mortar

in bolt slot inserts and around anchor rods.

b. Place flexible gasket following Standard Details.

c. Set frame and bolt in place and provide water tight seal.

H. When manhole is located within new subdivision and in area where surface is scheduled

to be improved, set marker stakes following Standard Details.


I. When manhole is located within an unimproved outfall, set marker stakes following

Standard Details.

J. Set pipe stubs, at manholes following Drawings, minimum of 18 inches long with

watertight stopper in end away from manhole.

K. Lined manholes: Follow Section 03400, Standard Details, specified herein, or following

drawings.

L. Slide Gates: Install following manufacturer's recommendations.

3.8 FIELD TESTING

A. Schedule proposed tests with Contract Manager at least 3 working days in advance.

B. Gravity Sewer - Except for 42-inch and larger RCP.

1. Test gravity sewers, including house connections, with low air pressure after

completion of backfill.

a. Perform Mandrel Test specified herein.

b. Before placing testing apparatus, inspect sewers and manholes and eliminate

discernible water leaks.

c. Contractor may perform preliminary tests at his own discretion for his

information, without presence of Contract Manager.

d. Perform tests in presence of Contract Manager.

1) Provide material, equipment, and labor required.

2) Test sewers from manhole to manhole or from manhole to terminus.

3) Contractor may before air testing RCP, soak interior with clean water.

a) Remove water before air testing begins.

2. Conduct Test as Follows:

a. Place test plugs at each manhole or terminus and securely brace.

b. Determine depth of groundwater level above inverts immediately before testing.

c. Contract Manager will increase gage pressures accordingly but total pressure

including increased amount of groundwater backpressure at springline of pipe

shall not exceed 5.5 psi.

d. Add air slowly to test section until internal air pressure, on gage, stabilizes at 4

psi or at increased pressure determined for correction of groundwater

backpressure.

1) Do not allow personnel in manholes while test is being performed or when

test section is under air pressure.

2) If leakage is indicated at test plugs, relieve pressure before eliminating leak.

e. When air pressure is stabilized, disconnect hose and compressor and allow

pressure to decrease to 3.5 psi, plus correction for groundwater backpressure.

f. Record time period for following:

1) Smaller than 42 inch diameter pipe and PVC pipe, pressure drop 0.5 psi,

from 3.5 to 3.0 psi plus groundwater correction.


a) Pipes failing to maintain holding times in Air Test Tables herein will

not be accepted.

2) If test section fails test, retest as specified herein and make repairs or

replace.

3) Commission will observe test for each test segment, once without charge to

Contractor.

a) Cost of further tests will be paid to the Commission at prevailing rates

published by the Commission.

C. Gravity Sewer - 42-inch and Larger Diameter RCP.

1. Individual Joint Testing: Use equipment suitable for air and/or water.

a. Approved individual joint testing equipment suppliers:

1) Cherne Industries, Inc.

2) Vanderlans and Sons, Inc.

3) Or equal.

b. Conduct individual joint air tests after at least 2 lengths of pipe have been

installed beyond joint undergoing test and trench is backfilled to at least top of

installed pipes.

1) Before testing first joint beyond pipe/manhole connector, brace or block

first length installed out of manhole.

2) Conduct individual joint tests as follows:

a) Clean joint area, and at Contractor's option, wet joint area before

placing air test equipment.

b) Position joint tester so end elements are located on both sides of joint

to be tested.

c) Inflate end sealing elements to pressure specified by manufacturer of

equipment.

d) Determine depth of groundwater level above inverts immediately

before testing.

e) Pressurize center cavity with air or water following manufacturer's

recommendation through separate pressurizing lines to 3.5 psi.

f) Contract Manager will increase gage pressures accordingly but total

pressure including increased amount of groundwater backpressure at

springline of pipe shall not exceed 5.5 psi.

g) Pressure relief device may be installed to pressurizing line to avoid

over pressurization.

3) Allow test pressure to stabilize and maintain for approximately 10 to 15

seconds, and then turn off pressure source.

a) If pressure holds or drops less than 1.0 psi in 10 seconds or more, joint

is acceptable.

b) Remove equipment by releasing air from center cavity and then from

end elements.

4) If test fails, check leakage of air or water at end sealing elements.

a) If leakage is at end sealing elements, eliminate this leakage and

perform retest.


5) If pipe joint fails test, remove pipe length(s), inspect joint area for defects

and correct, clean joint area and rejoint pipe.

a) Repeat joint test procedure as stated above.

b) To be accepted pipe joint must pass air test.

2. Final Sewer Testing.

a. Test after entire pipeline is installed, backfilled, and dewatering discontinued for

5 days, but before introducing sewage flow, observe pipeline for infiltration. If

any infiltration is present, perform an infiltration test.

b. Set up weir, measuring device, stopwatch, and other required materials to

perform test.

c. Measure amount of pipeline water infiltration at lower end by means of weir

installed in pipeline or by other method to measure water approved by Contract

Manager.

1) Maximum allowable leakage per day (MALPD): 50 gpd per inch diameter

per mile of sewer pipe. (linear feet of pipe/5280 times pipe diameter in

inches times 50 = MALPD)

2) If infiltration exceeds MALPD, make repairs and re-measure.

D. Mandrel Test- 15 Inch and Smaller PVC Pipe.

1. Perform pipe mandrel deflection test after completion of backfill.

2. Thoroughly clean test section prior to test.

3. Contractor may perform preliminary test at his own discretion.

4. Perform test in Contract Manager’s presence.

a. Provide material, equipment and labor required.

5. Push or pull mandrel through pipeline.

6. Failure of mandrel to pass a point or section in pipe:

a. Indicates pipe barrel deflection in excess of 5 percent.

b. If section fails test:

1) Excavate and re-bed or replace failed section and backfill.

2) Retest section as specified herein.

7. The Commission will observe test for each section, once, without charge to

Contractor.

a. Cost of additional tests:

a) Cost of further tests will be paid to the Commission at prevailing rates

published by the Commission.

E. Sewer House Connections

1. Contractor shall inspect by CCTV 20 percent of the number of sewer house

connections on each Project with self-leveling camera. Give 3 days advance notice

to Commission prior to CCTV inspection. Commission shall select sewer house

connections to be televised from property line to connection with main line sewer.

Prior to CCTV inspection clean and flush pipeline with fluorescent green colored

water. Contractor shall provide a videocassette of each sewer house connection

inspected with audio commentary and written field report. Videotape shall include a

locator notation showing footage from the property line to camera, lot and Project

number


2. For each defective sewer house connection, Commission may request a minimum of

1 additional sewer house to be televised above and beyond the initial 20 percent.

Defective sewer house connections shall be identified as those with intermediate low

points between property line and mainline connection, cracked pipe, infiltration,

joints not made in accordance with manufacturer’s recommendations, deflected

joints, excessive vertical pipe deflection.

3. Move camera through sewer at a uniformly slow rate stopping at each suspected

defect to allow adequate evaluation. Verbally denote defective locations on the

videotape and on written report. Review and maintain technical quality, sharp focus,

proper lighting, and clear distortion-free viewing during camera operation. Failure to

maintain these conditions will result in rejection of the video. Re-televise any

videotape not acceptable to Commission.

F. Force Mains: Follow Section 02510 and specified herein.

1. Pressure Test: Fill length of force main in test section with water and subject it to

maximum sustained internal pressure plus water hammer, at low point, following

Drawings or Special Provisions.

2. Leakage Test.

a. Test at sustained internal hydrostatic following Drawings or Special Provisions

at highest invert elevation or at least 100 psi.

3. If pressure test is less than 100 psi, perform leakage and pressure test concurrently.

4. If test results show displacement, damage, or leakage in excess of allowable amount,

repair displacement and damage, and eliminate leakage. Retest until specified

conditions meet Contract Manager's acceptance.

G. Manholes.

1. After manhole installation is completed and within guarantee period, each manhole

will be inspected for water tightness.

a. Eliminate leakage at manhole. Repair using approved written procedures and

repair recommendations from manufacturer in presence of Contract Manager

and manufacturer's representative.

H. Slide Gate and Operator.

1. Field inspection and testing: Follow Section 01450.

3.9 ABANDONMENT

A. Sewers: See Standard Details

1. AC Pipe:

a. Comply with OSHA requirements for sawing AC pipe.

b. Use water during sawing to prevent dust from being generated, and to shield and

contain debris.

c. Allow only workers directly involved in sawing AC pipe in work area during

sawing operations.

d. Remove sections of AC pipe after cutting.


1) Follow OSHA requirements.

B. Manholes and Structures: See Standard Details.

C. House Connections: Abandon following Drawings or as specified if not shown.

1. If connection to main line sewer is with tee, wye or saddle, remove house connection

pipe from mainline connection and replace with approved watertight plug.

2. If connection to main line sewer is with thimble, remove thimble and perform

mainline point repair.

3. AC pipe: Follow Sewer House Connection Renewals.

PART 4 REPAIR PROCEDURES

A. When repairing a sewer house connection, sewer main or in the adjustment of manholes.

1. Clean pipeline with high-velocity water jet cleaners.

2. Collect debris from next downstream manhole and remove from site.

a. Transportation and disposal of cleaning debris: Follow jurisdictional

requirements and Engineer’s approval.


* Test pressures shall be increased by amount of groundwater backpressure at springline of pipe but shall not exceed

5.5 PSIG.

NOTE: For test sections with a minimum holding time exceeding 5 minutes: If gage needle has dropped 0.0 PSIG

from starting pressure after 5 minutes, section will be considered to have passed air test.

AIR TEST TABLES – ALL PIPES OTHER THAN RCP

Minimum Holding Time in Minutes: Seconds Required

For Pressure Drop from 3.5* to 3.0* PSIG

PIPE DIAMETER

4” 6” 8” 10” 12” 15” 16” 18” 20” 21” 24” 27”

25 2:00

|

3:00

|

4:00

|

4:30

|

5:30

|

7:00

|

7:30

|

8:30

|

9:30

|

10:00

|

11:30

|

14:30

|

50 |

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

75 |

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

100 |

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

9:30 10:00 11:30 14:30

25 |

|

|

|

|

|

|

|

|

|

|

|

|

|

8:30 10:00 11:00 14:30 18:00

150 |

|

|

|

|

|

|

|

|

|

7:00 7:30 9:30 12:00 13:00 18:00 21:30

175 |

|

|

|

|

|

|

|

|

|

8:00 9:00 11:00 14:00 15:30 20:00 25:00

200 |

|

|

|

|

|

|

|

5:30 9:00 10:00 13:00 16:00 17:30 23:00 29:00

225 |

|

|

|

|

|

4:30 6:30 10:00 11:30 14:30 18:00 19:30 25:30 32:30

250 |

|

|

|

|

|

5:00 7:00 11:00 12:30 16:00 20:00 22:00 28:30 36:00

275 |

|

|

|

|

|

5:30 8:00 12:30 14:00 17.30 22:00 24:00 31:30 39:40

300 |

|

|

|

|

|

6:00 8:30 13:30 15:00 19:00 24:00 26:00 34:00 43:30

325 |

|

|

|

|

|

6:30 9:30 14:30 16:30 21:00 25:30 28:30 37:00 47:00

350 |

|

|

|

4:30 7:00 10:00 15:30 17:30 22:30 27:30 30:30 40:00 50:30

375 |

|

|

|

5:00 7:30 10:30 16:30 19:00 24.00 29:30 32:30 42:30 54:00

400 2:00 3:00 5:00 8:00 11:30 18:00 20:30 25:30 31:30 35:00 45:30 57:30


RCP PIPE - AIR TEST TABLE

Minimum Holding Time in Minutes: Seconds Required

For Pressure Drop from 3.5* to 3.0* PSIG

PIPE DIAMETER

18” 21” 24” 27” 30” 33” 36”

25 1:00 1:00 1:00 1:00 1:00 1:30 1:30

50 1:00 1:30 2:00 2:00 2:30 2:30 3:00

75 2:00 2:00 2:30 3:00 3:30 4:00 4:30

100 2:30 3:00 3:30 4:00 5:00 5:30 6:00

125 3:00 3:30 4:30 5:30 6:00 7:00 7:30

150 3:30 4:30 5:30 6:30 7:00 8:00 9:00

175 4:00 5:00 6:00 7:30 8:30 9:30 10:30

200 5:00 6:00 7:00 8:30 9:30 11:00 12:00

225 5:30 6:30 8:00 9:30 11:00 12:00 13:30

250 6:00 7:30 9:00 10:30 12:00 13:30 15:00

275 6:30 8:00 9:30 11:30 13:00 15:00 16:30

300 7:00 9:00 10:30 12:30 14:30 16:00 18:00

325 8:00 9:30 11:30 13:30 15:30 17:30 19:30

350 8:30 10:30 12:30 14:30 17:00 19:00 21:00

375 8:30 11:00 13:30 16:00 18:00 20:30 22:30

400 9:30 12:00 14:00 17:00 19:00 21:30 24:00

425 10:00 12:30 15:00 18:00 20:30 23:00 25:30

450 11:00 13:30 16:00 19:00 21:30 24:30 27:00

475 11:30 14:00 17:00 20:00 23:00 25:30 28:30

500 12:00 15:00 18:00 21:00 24:00 27:00 30:00

525 12:30 15:30 18:30 22:00 25:00 28:30 31:30

550 13:00 16:30 19:30 23:00 26:30 29:30 33:00

* Test pressures shall be increased by amount of groundwater backpressure at springline of pipe but

shall not exceed 5.5 PSIG.

NOTE: For test sections with a minimum holding time exceeding 5 minutes: If gage needle has dropped 0.0

PSIG from starting pressure after 5 minutes, section will be considered to have passed air test.


AIR TEST TABLES FOR MAIN LINE WITH HOUSE CONNECTION

Minimum holding time in Minutes:seconds required for pressure drop from 3.5* psig to 3.0* psig *Test pressures shall be increased by amount of groundwater backpressure at springline of pipe but shall not exceed 5.5 PSIG

Length of 6-inch diameter Main Line in Test Section, in Feet

25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400

50 4:30 5:00 5:00 5:00 5:30 5:30 5:30 5:30 5:30 5:30 5:30 5:30 5:30 5:30 5:30 6:00

100 4:30 4:30 5:00 5:00 5:00 5:00 5:00 5:00 5:00 5:30 5:30 5:30 5:30 5:30 6:00 6:30

150 4:00 4:30 4:30 4:30 5:00 5:00 5:00 5:00 5:00 5:00 5:00 5:00 5:30 6:00 6:30 6:30

200 4:00 4:30 4:30 4:30 4:30 5:00 5:00 5:00 5:00 5:00 5:00 5:30 6:00 6:00 6:30 7:00

250 4:00 4:00 4:30 4:30 4:30 4:30 4:30 5:00 5:00 5:00 5:30 6:00 6:00 6:30 7:00 7:30

300 4:00 4:00 4:30 4:30 4:30 4:30 4:30 4:30 5:00 5:30 6:00 6:00 6:30 7:00 7:30 7:30

350 4:00 4:00 4:30 4:30 4:30 4:30 4:30 5:00 5:30 6:00 6:00 6:30 7:00 7:00 7:30 8:00

400 4:00 4:00 4:00 4:30 4:30 4:30 5:00 5:30 5:30 6:00 6:30 7:00 7:00 7:30 8:00 8:30


25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400

50 5:30 6:30 6:30 7:00 7:00 7:00 7:00 7:00 7:00 7:00 7:30 8:00 8:30 9:00 10:00 10:30

100 5:00 5:30 6:00 6:30 6:30 6:30 6:30 7:00 7:00 7:00 7:30 8:00 9:00 9:30 10:00 11:00

150 4:30 5:30 5:30 6:00 6:00 6:30 6:30 6:30 6:30 7:30 8:00 8:30 9:00 10:00 10:30 11:00

200 4:30 5:00 5:30 5:30 6:00 6:00 6:00 6:30 7:00 7:30 8:00 9:00 9:30 10:00 11:00 11:30

250 4:30 5:00 5:00 5:30 5:30 6:00 6:00 6:30 7:30 8:00 8:30 9:00 10:00 10:30 11:00 11:30

300 4:30 4:30 5:00 5:30 5:30 5:30 6:30 7:00 7:30 8:00 9:00 9:30 10:00 11:00 11:30 12:00

350 4:00 4:30 5:00 5:00 5:30 6:00 6:30 7:30 8:00 8:30 9:00 10:00 10:30 11:00 11:30 12:30

400 4:00 4:30 5:00 5:00 5:30 6:30 7:00 7:30 8:00 9:00 9:30 10:00 11:00 11:30 12:00 12:30


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25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400

50 6:30 6:30 7:00 7:00 7:00 7:00 7:00 7:30 7:30 7:30 7:30 8:30 9:00 9:30 10:00 11:00

100 6:00 6:30 6:30 6:30 7:00 7:00 7:00 7:00 7:00 8:00 8:30 9:00 9:30 10:30 11:00 11:30

150 6:00 6:00 6:30 6:30 6:30 6:30 7:00 7:00 8:00 8:30 9:00 9:30 10:30 11:00 11:30 12:30

200 6:00 6:00 6:30 6:30 6:30 6:30 7:30 8:00 8:30 9:00 10:00 10:30 11:00 11:30 12:30 13:00

250 6:00 6:00 6:00 6:30 6:30 7:30 8:00 8:30 9:30 10:00 10:30 11:00 12:00 12:30 13:00 13:30

300 6:00 6:00 6:00 7:00 7:30 8:00 8:30 9:30 10:00 10:30 11:00 12:00 12:30 13:00 14:00 14:30

350 6:00 6:00 7:00 7:30 8:00 9:00 9:30 10:00 10:30 11:30 12:00 12:30 13:00 14:00 14:30 15:00

400 6:30 7:00 7:30 8:30 9:00 9:30 10:00 11:00 11:30 12:00 12:30 13:30 14:00 14:30 15:00 16:00

NOTE: For test sections with a minimum holding time exceeding 5 minutes: If gage needle has dropped 0.0 psig from starting pressure after 5 minutes,

section will be considered to have passed air test.


25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400

50 7:00 8:00 8:00 8:30 8:30 9:00 9:00 9:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00

100 6:00 7:00 7:30 8:00 8:00 8:00 8:30 8:30 9:30 10:30 11:30 12:30 13:30 14:30 15:30 16:30

150 5:30 6:30 7:00 7:00 7:30 8:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00

200 5:00 6:00 6:30 7:00 7:00 7:30 8:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00

250 5:00 5:30 6:00 6:30 7:00 7:30 8:30 9:30 10:30 11:30 12:30 13:30 14:30 15:30 16:30 17:30

300 4:30 5:30 6:00 6:30 7:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 16:30 17:30

350 4:30 5:30 5:30 6:00 7:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00

400 4:30 5:00 5:30 6:30 7:30 8:30 9:30 10:30 11:30 12:30 13:30 14:30 15:30 16:30 17:30 18:30

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25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400

50 7:30 8:00 8:30 8:30 8:30 9:00 9:00 9:00 9:30 10:30 11:30 12:30 13:30 14:30 15:30 16:30

100 7:00 7:30 8:00 8:00 8:00 8:30 8:30 9:30 10:30 11:30 12:30 13:30 14:30 15:30 16:30 17:00

150 6:30 7:00 7:30 7:30 8:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00

200 6:30 7:00 7:00 7:30 8:00 9:00 10:00 11:00 12:00 12:30 13:30 14:30 15:30 16:30 17:30 18:30

250 4:30 5:30 6:30 7:30 8:30 9:30 10:30 11:30 12:30 13:30 14:30 15:30 16:30 17:30 18:30 19:30

300 6:00 6:30 7:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00

350 6:00 7:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00

400 6:30 7:30 8:30 9:30 10:30 11:30 12:30 13:30 14:30 15:30 16:30 17:30 18:30 19:30 20:30 21:30

NOTE: For test sections with a minimum holding time exceeding 5 minutes: If gage needle has dropped 0.0 psig from starting pressure after 5 minutes, section

will be considered to have passed air test.


25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400

50 8:30 9:30 10:00 10:30 10:30 10:30 10:30 11:30 13:00 14:30 16:00 17:30 19:00 20:30 21:30 23:00

100 7:00 8:30 9:00 9:30 10:00 10:00 10:30 12:00 13:30 15:00 16:30 17:30 19:00 20:30 22:00 23:30

150 6:30 7:30 8:30 9:00 9:00 9:30 11:00 12:30 14:00 15:00 16:30 18:00 19:30 21:00 22:30 23:30

200 6:00 7:00 8:00 8:30 8:30 10:00 11:00 12:30 14:00 15:30 17:00 18:30 20:00 21:00 22:30 24:00

250 5:30 6:30 7:30 8:00 8:30 10:00 11:30 13:00 14:30 16:00 17:00 18:30 20:00 21:30 23:00 24:30

300 5:30 6:30 7:00 7:30 9:00 10:30 12:00 13:30 14:30 16:00 17:30 19:00 20:30 22:00 23:00 24:30

350 5:00 6:00 6:30 8:00 9:30 11:00 12:00 13:30 15:00 16:30 18:00 19:30 20:30 22:00 23:30 25:00

400 5:00 6:00 7:00 8:00 9:30 11:00 12:30 14:00 15:30 17:00 18:00 19:30 21:00 22:30 24:00 25:30

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25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400

50 8:30 9:30 10:00 10:00 10:00 10:30 10:30 12:00 13:30 15:00 16:30 18:00 19:00 20:30 22:00 23:30

100 7:30 8:30 9:00 9:30 9:30 10:00 11:30 13:00 14:00 15:30 17:00 18:30 20:00 21:30 23:00 24:00

150 7:00 8:00 8:30 9:00 9:30 10:30 12:00 13:30 15:00 16:30 18:00 19:00 20:30 22:00 23:30 25:00

200 7:00 7:30 8:00 8:30 10:00 11:30 13:00 14:00 15:30 17:00 18:30 20:00 21:30 23:00 24:00 25:30

250 6:30 7:30 8:00 9:30 10:30 12:00 13:30 15:00 16:30 18:00 19:00 20:30 22:00 23:30 25:00 26:30

300 6:30 7:00 8:30 10:00 11:30 13:00 14:00 15:30 17:00 18:30 20:00 21:30 23:00 24:00 25:30 27:00

350 6:30 8:00 9:30 10:30 12:00 13:30 15:00 16:30 18:00 19:00 20:30 22:00 23:30 25:00 26:30 28:00

400 7:00 8:30 10:00 11:30 13:00 14:00 15:30 17:00 18:30 20:00 21:30 23:00 24:00 25:30 27:00 28:30

NOTE: For test sections with a minimum holding time exceeding 5 minutes: If gage needle has dropped 0.0 psig from starting pressure after 5 minutes,

section will be considered to have passed air test.

**WSSC**

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